Teresa and her husband work in a glass factory, the only employer in town. When Teresa does not go to work one day, her boss shows up at her doorstep and calls her a whore. What we are soon to learn is that Teresa who use to be a willing participant in a swinger sex group, now finds herself enslaved by her boss and a group of men at the factory, who abuse her sexually on a regular basis. This leads to the discovery of a disturbing underground cult in town.